XML 42 R31.htm IDEA: XBRL DOCUMENT v3.4.0.3
Long-Term Debt (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Mar. 31, 2016
8¼% Limited Convertible Senior Subordinated Notes Due 2012 [Member]    
Long-Term Debt (Details) [Line Items]    
Convertible Notes Payable   $ 626,000
Interest Payable, Current $ 327,000 $ 340,000
Debt Instrument, Debt Default Payable, Percentage   25.00%
9½% Subordinated Debentures Due 2012 [Member]    
Long-Term Debt (Details) [Line Items]    
Convertible Notes Payable   $ 334,000
Interest Payable, Current 193,000 $ 201,000
Debt Instrument, Debt Default Payable, Percentage   25.00%
Mortgages [Member]    
Long-Term Debt (Details) [Line Items]    
Mortgage Loans on Real Estate, Carrying Amount of Mortgages $ 333,000  
Debt Instrument, Maturity Date Mar. 01, 2020